body,
div,
p,
h1,
h2,
h3,
h4,
h5,
h6,
ul,
li,
dl,
dt,
a,
input,
button,
textarea,
select {
  margin: 0;
  padding: 0;
  outline: none;
}

html,
body {
  font-family:
    Helvetica Neue,
    Helvetica,
    Arial,
    Microsoft Yahei,
    Hiragino Sans GB,
    Heiti SC,
    WenQuanYi Micro Hei,
    sans-serif;
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

a {
  text-decoration: none;
}

ul,
li {
  list-style: none;
}

input {
  font: normal;
}

input:focus,
a:focus {
  outline: none;
}
